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            <article class="content wrap" id="_content" data-uid="NumSharp.Core.LAPACK">
  
  
  <h1 id="NumSharp_Core_LAPACK" data-uid="NumSharp.Core.LAPACK" class="text-break">Class LAPACK
  </h1>
  <div class="markdown level0 summary"></div>
  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><span class="xref">System.Object</span></div>
    <div class="level1"><span class="xref">LAPACK</span></div>
  </div>
  <div class="inheritedMembers">
    <h5>Inherited Members</h5>
    <div>
      <span class="xref">System.Object.Equals(System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.Equals(System.Object, System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.GetHashCode()</span>
    </div>
    <div>
      <span class="xref">System.Object.GetType()</span>
    </div>
    <div>
      <span class="xref">System.Object.MemberwiseClone()</span>
    </div>
    <div>
      <span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.ToString()</span>
    </div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="NumSharp.Core.html">NumSharp.Core</a></h6>
  <h6><strong>Assembly</strong>: NumSharp.Core.dll</h6>
  <h5 id="NumSharp_Core_LAPACK_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static class LAPACK</code></pre>
  </div>
  <h3 id="methods">Methods
  </h3>
  
  
  <a id="NumSharp_Core_LAPACK_dgelss__" data-uid="NumSharp.Core.LAPACK.dgelss_*"></a>
  <h4 id="NumSharp_Core_LAPACK_dgelss__System_Int32__System_Int32__System_Int32__System_Double___System_Int32__System_Double___System_Int32__System_Double___System_Double__System_Int32__System_Double___System_Int32__System_Int32__" data-uid="NumSharp.Core.LAPACK.dgelss_(System.Int32@,System.Int32@,System.Int32@,System.Double[],System.Int32@,System.Double[],System.Int32@,System.Double[],System.Double@,System.Int32@,System.Double[],System.Int32@,System.Int32@)">dgelss_(ref Int32, ref Int32, ref Int32, Double[], ref Int32, Double[], ref Int32, Double[], ref Double, ref Int32, Double[], ref Int32, ref Int32)</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static void dgelss_(ref int m, ref int n, ref int nrhs, double[] a, ref int lda, double[] b, ref int ldb, double[] s, ref double rcond, ref int rank, double[] work, ref int lwork, ref int info)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">m</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">n</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">nrhs</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">a</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">lda</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">b</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">ldb</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">s</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">rcond</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">rank</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">work</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">lwork</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">info</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="NumSharp_Core_LAPACK_dgelsy__" data-uid="NumSharp.Core.LAPACK.dgelsy_*"></a>
  <h4 id="NumSharp_Core_LAPACK_dgelsy__System_Int32__System_Int32__System_Int32__System_Double___System_Int32__System_Double___System_Int32__System_Int32___System_Double__System_Int32__System_Double___System_Int32__System_Int32__" data-uid="NumSharp.Core.LAPACK.dgelsy_(System.Int32@,System.Int32@,System.Int32@,System.Double[],System.Int32@,System.Double[],System.Int32@,System.Int32[],System.Double@,System.Int32@,System.Double[],System.Int32@,System.Int32@)">dgelsy_(ref Int32, ref Int32, ref Int32, Double[], ref Int32, Double[], ref Int32, Int32[], ref Double, ref Int32, Double[], ref Int32, ref Int32)</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static void dgelsy_(ref int m, ref int n, ref int nrhs, double[] a, ref int lda, double[] b, ref int ldb, int[] jpvt, ref double rcond, ref int rank, double[] work, ref int lwork, ref int info)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">m</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">n</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">nrhs</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">a</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">lda</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">b</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">ldb</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span>[]</td>
        <td><span class="parametername">jpvt</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">rcond</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">rank</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">work</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">lwork</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">info</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="NumSharp_Core_LAPACK_dgeqrf__" data-uid="NumSharp.Core.LAPACK.dgeqrf_*"></a>
  <h4 id="NumSharp_Core_LAPACK_dgeqrf__System_Int32__System_Int32__System_Double___System_Int32__System_Double___System_Double___System_Int32__System_Int32__" data-uid="NumSharp.Core.LAPACK.dgeqrf_(System.Int32@,System.Int32@,System.Double[],System.Int32@,System.Double[],System.Double[],System.Int32@,System.Int32@)">dgeqrf_(ref Int32, ref Int32, Double[], ref Int32, Double[], Double[], ref Int32, ref Int32)</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static void dgeqrf_(ref int m, ref int n, double[] a, ref int lda, double[] tau, double[] work, ref int lwork, ref int info)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">m</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">n</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">a</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">lda</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">tau</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">work</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">lwork</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">info</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="NumSharp_Core_LAPACK_dgesv__" data-uid="NumSharp.Core.LAPACK.dgesv_*"></a>
  <h4 id="NumSharp_Core_LAPACK_dgesv__System_Int32__System_Int32__System_Double___System_Int32__System_Int32___System_Double___System_Int32__System_Int32__" data-uid="NumSharp.Core.LAPACK.dgesv_(System.Int32@,System.Int32@,System.Double[],System.Int32@,System.Int32[],System.Double[],System.Int32@,System.Int32@)">dgesv_(ref Int32, ref Int32, Double[], ref Int32, Int32[], Double[], ref Int32, ref Int32)</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static void dgesv_(ref int n, ref int nrhs, double[] a, ref int lda, int[] ipiv, double[] b, ref int ldb, ref int info)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">n</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">nrhs</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">a</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">lda</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span>[]</td>
        <td><span class="parametername">ipiv</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">b</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">ldb</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">info</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="NumSharp_Core_LAPACK_dgesvd__" data-uid="NumSharp.Core.LAPACK.dgesvd_*"></a>
  <h4 id="NumSharp_Core_LAPACK_dgesvd__System_Char___System_Char___System_Int32__System_Int32__System_Double___System_Int32__System_Double___System_Double___System_Int32__System_Double___System_Int32__System_Double___System_Int32__System_Int32__" data-uid="NumSharp.Core.LAPACK.dgesvd_(System.Char[],System.Char[],System.Int32@,System.Int32@,System.Double[],System.Int32@,System.Double[],System.Double[],System.Int32@,System.Double[],System.Int32@,System.Double[],System.Int32@,System.Int32@)">dgesvd_(Char[], Char[], ref Int32, ref Int32, Double[], ref Int32, Double[], Double[], ref Int32, Double[], ref Int32, Double[], ref Int32, ref Int32)</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static void dgesvd_(char[] JOBU, char[] JOBVT, ref int M, ref int N, double[] A, ref int LDA, double[] S, double[] U, ref int LDU, double[] VT, ref int LDVT, double[] WORK, ref int LWORK, ref int INFO)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Char</span>[]</td>
        <td><span class="parametername">JOBU</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Char</span>[]</td>
        <td><span class="parametername">JOBVT</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">M</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">N</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">A</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">LDA</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">S</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">U</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">LDU</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">VT</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">LDVT</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">WORK</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">LWORK</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">INFO</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  
  
  <a id="NumSharp_Core_LAPACK_dorgqr__" data-uid="NumSharp.Core.LAPACK.dorgqr_*"></a>
  <h4 id="NumSharp_Core_LAPACK_dorgqr__System_Int32__System_Int32__System_Int32__System_Double___System_Int32__System_Double___System_Double___System_Int32__System_Int32__" data-uid="NumSharp.Core.LAPACK.dorgqr_(System.Int32@,System.Int32@,System.Int32@,System.Double[],System.Int32@,System.Double[],System.Double[],System.Int32@,System.Int32@)">dorgqr_(ref Int32, ref Int32, ref Int32, Double[], ref Int32, Double[], Double[], ref Int32, ref Int32)</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static void dorgqr_(ref int m, ref int n, ref int k, double[] a, ref int lda, double[] tau, double[] work, ref int lwork, ref int info)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">m</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">n</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">k</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">a</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">lda</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">tau</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Double</span>[]</td>
        <td><span class="parametername">work</span></td>
        <td></td>
      </tr>
      <tr>
        <td><span class="xref">System.Int32</span></td>
        <td><span class="parametername">lwork</span></td>
        <td></td>
      </tr>
      <tr>
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